ZIP 01821

ZIP 01821 is in the Boston-Cambridge-Newton, MA-NH market. Market numbers below; the ZIP's rank is on the map.

Median cap rate

: 2.5%.

Median IRR

: 4.0%.

Median list price

: $875,000.

Appreciation

: 4.3%/yr .

Rent growth

: 3.6%/yr .

Sources: FHFA House Price Index® (developmental annual index), U.S. Census Bureau ACS 5-year estimates, and Rescover analysis of public listings under system-default underwriting, updated October 2026.

For sale in ZIP 01821

9 Valerie Ave, Billerica, MA 01821 $824,900· 4 bd· 2 ba
781 Boston Rd, Billerica, MA 01821 $639,900· 3 bd· 1.5 ba
308 Salem Rd, Billerica, MA 01821 $850,000· 3 bd· 2 ba
14 Clarence St, Billerica, MA 01821 $849,900· 3 bd· 2 ba
3 Bonnie Ln, Billerica, MA 01821 $739,900· 3 bd· 2 ba
116 Pond St, Billerica, MA 01821 $649,000· 3 bd· 1 ba
117 Partridge Rd, Billerica, MA 01821 $699,900· 3 bd· 2 ba
6 Exeter Pl, Billerica, MA 01821 $455,000· 2 bd· 1 ba
6 McHugh Ave, Billerica, MA 01821 $1,129,900· 4 bd· 3 ba
76 Andover Rd, Billerica, MA 01821 $549,900· 3 bd· 1 ba
41 Castlewood Dr, Billerica, MA 01821 $675,000· 3 bd· 2 ba
2 Sequoia St, Billerica, MA 01821 $1,229,900· 4 bd· 2.5 ba
3 Sergi Ln, Billerica, MA 01821 $599,000· 3 bd· 1 ba
15 Weathervane Rd, Billerica, MA 01821 $799,900· 4 bd· 2 ba
8 Priscilla Ln, Billerica, MA 01821 $699,900· 4 bd· 4 ba
14 Kirk Rd, Billerica, MA 01821 $734,900· 3 bd· 2 ba
146 Bridle Rd, Billerica, MA 01821 $499,900· 3 bd· 1.5 ba
1 Ridgeway Ave, Billerica, MA 01821 $549,900· 5 bd· 1.5 ba
12 Harjean Rd, Billerica, MA 01821 $849,000· 5 bd· 2.5 ba
33 Doe Dr, Billerica, MA 01821 $679,900· 3 bd· 1.5 ba
25 4th Ave, Billerica, MA 01821 $1,250,000· 4 bd· 2.5 ba
19 Fourth Ave, Billerica, MA $999,900· 2 bd· 2.5 ba
7 Edgeworth St, Billerica, MA 01821 $899,900· 4 bd· 2 ba
76 Rosewood Ave, Billerica, MA 01821 $679,000· 6 bd· 3 ba
27 Kennedy Ave, Billerica, MA 01821 $849,000· 3 bd· 2.5 ba
18 South St, Billerica, MA 01821 $599,900· 3 bd· 1.5 ba
119 Baldwin Rd, Billerica, MA 01821 $625,000· 3 bd· 2 ba
1 Albion Rd, Billerica, MA 01821 $799,900· 5 bd· 3 ba
19 Greenleaf St, Billerica, MA 01821 $749,900· 4 bd· 2 ba
18 Tremont St, Billerica, MA 01821 $775,000· 5 bd· 3 ba
744 Boston Rd, Billerica, MA 01821 $534,900· 3 bd· 3 ba
10 Tercentennial Dr, Billerica, MA 01821 $699,900· 4 bd· 1.5 ba
51 Whipple Rd, Billerica, MA 01821 $850,000· 5 bd· 2.5 ba
48 Juniper St, Billerica, MA $880,000· 4 bd· 3 ba
22 Canterbury St, Billerica, MA 01821 $699,900· 3 bd· 1.5 ba
14 Greenville St, Billerica, MA 01821 $724,900· 4 bd· 2 ba
31 Charme Rd, Billerica, MA 01821 $929,900· 5 bd· 2 ba
38 Concord Rd, Billerica, MA 01821 $1,299,000· 4 bd· 2.5 ba
15 High St, Billerica, MA $599,900· 2 bd· 1 ba
4 Battcock Rd, Billerica, MA 01821 $1,075,000· 4 bd· 3.5 ba
9 Payson Rd, Billerica, MA 01821 $739,000· 4 bd· 2 ba
58 Sachem St, Billerica, MA 01821 $715,000· 4 bd· 3 ba
3 Catherine Ave, Billerica, MA 01821 $749,900· 3 bd· 1.5 ba
4 Robin Rd, Billerica, MA 01821 $650,000· 2 bd· 1.5 ba
8 Country Ln, Billerica, MA 01821 $1,049,900· 3 bd· 3 ba
10 Avila Rd, Billerica, MA 01821 $615,000· 3 bd· 1 ba
44 Wildbrook Rd, Billerica, MA 01821 $889,900· 4 bd· 2 ba
397 Concord Rd, Billerica, MA 01821 $775,000· 3 bd· 2.5 ba
18 Trifiro Rd, Billerica, MA 01821 $875,000· 3 bd· 1.5 ba
54 River St, Billerica, MA 01821 $799,900· 4 bd· 2 ba
50 Great Elm Rd, Billerica, MA 01821 $799,900· 3 bd· 2.5 ba
13 Brookside Dr, Billerica, MA 01821 $849,000· 4 bd· 2 ba
3 Memory Ln, Billerica, MA $949,900· 3 bd· 2 ba